National USHCN monthly temperature updates have been discontinued. The official CONUS temperature record is now based upon nClimDiv. USHCN data for January 1895 to August 2014 will remain available for historical comparison.

Time Series

Datasets (hold Ctrl to select multiple):

Parameter:Time Scale:

Start Year:End Year:Month:

Place mouse on axis and left-click to pan; wheel up/down for zoom in/out (or shift key+left-click).